e94a83cb04802d323fc2f7b68f2def68b5ebb224868fe7ed8cb321bc09b9b2ce

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 04:25

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General

Target

2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe
Size

71KB
MD5

2f6c6ff54c2f9b732545ea4ec178b14b
SHA1

4d3de6ccfc1557de29f547d5a3b39d37027ef9b4
SHA256

e94a83cb04802d323fc2f7b68f2def68b5ebb224868fe7ed8cb321bc09b9b2ce
SHA512

31ed76efa310f2c6a1918b23274a4b770599752454c078011b68bf3966750ebb45f50d547b95b3e5bd1c59c7933daaa47ff586adb986476e798834ce7b8b6008
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/d0:i5nkFGMOtEvwDpjNbwQEI8UZD6

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4844	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 4844	380	2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe	86
PID 380 wrote to memory of 4844	380	2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe	86
PID 380 wrote to memory of 4844	380	2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_2f6c6ff54c2f9b732545ea4ec178b14b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:380
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
71KB

MD5
2d6ef5836cbc437e5ae3a04e818ab271

SHA1
d71d2dd6a9a53ecac4714aebf2429cd2a2c771a4

SHA256
ccf98afe36f271db3f6bf52e29a92e77c488b0c1a23c0446ec0181438311e4eb

SHA512
138872d3a14300d93b2ccbc924dba2d4cdd1cc19a1d2800d16eb3f064879ff9f47c4c863f55889a81c993912052d5f13adc0e930c6592c8693dee6f36515af6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/380-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/380-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/380-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/380-3-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/380-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4844-19-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/4844-25-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4844-48-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download